llvm-project/llvm/test/CodeGen/MIR/X86/stack-object-operands.mir

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# RUN: llc -march=x86 -start-after machine-sink -stop-after machine-sink -o /dev/null %s | FileCheck %s
# This test ensures that the MIR parser parses stack object machine operands
# correctly.
--- |
define i32 @test(i32 %a) {
entry:
%b = alloca i32
%0 = alloca i32
store i32 %a, i32* %b
store i32 2, i32* %0
%c = load i32, i32* %b
ret i32 %c
}
...
---
name: test
isSSA: true
tracksRegLiveness: true
registers:
- { id: 0, class: gr32 }
- { id: 1, class: gr32 }
frameInfo:
maxAlignment: 4
fixedStack:
- { id: 0, offset: 0, size: 4, isImmutable: true, isAliased: false }
stack:
- { id: 0, name: b, size: 4, alignment: 4 }
- { id: 1, size: 4, alignment: 4 }
body:
# CHECK: name: entry
# CHECK: instructions:
# CHECK-NEXT: - '%0 = MOV32rm %fixed-stack.0, 1, _, 0, _'
# CHECK-NEXT: - 'MOV32mr %stack.0.b, 1, _, 0, _, %0'
# CHECK-NEXT: - 'MOV32mi %stack.1, 1, _, 0, _, 2'
# CHECK-NEXT: - '%1 = MOV32rm %stack.0.b, 1, _, 0, _'
- id: 0
name: entry
instructions:
- '%0 = MOV32rm %fixed-stack.0, 1, _, 0, _'
- 'MOV32mr %stack.0.b, 1, _, 0, _, %0'
- 'MOV32mi %stack.1, 1, _, 0, _, 2'
- '%1 = MOV32rm %stack.0, 1, _, 0, _'
- '%eax = COPY %1'
- 'RETL %eax'
...